0verkill is a client-server 2D deathmatch-like game
in ASCII art. It supports free
connecting/disconnecting during the game, and
runs well on modem lines. Graphics are in 16-color
ASCII art with elaborate hero animations. 0verkill
features 4 different weapons, grenades,
invisibility, and armor. The package also contains
reaperbot clients, a simple graphics editor, and a
level editor.

Aleph One is a 3D first-person shooter game based on the game Marathon 2 by
Bungie Software. It is set in a Sci-Fi universe dominated by deviant computer
AIs and features a well thought-out plot. Aleph One was originally a MacOS
game, but a cross-platform version ("Aleph One/SDL") based on the Simple
DirectMedia Layer (SDL) library is currently under development which runs under
Unix, BeOS, and Windows.

BZFlag is a 3D, multiplayer, tank battle zone,
capture the flag game that pits players against
each other in a networked environment. It runs on
Windows 95/98/NT/2000, Linux, MacOS 10.x, Irix,
Solaris, and others. An OpenGL accelerator is
highly recommended, but it is playable with 3D in
software.

DeuTex is a wad composer for Doom, Heretic, Hexen and Strife. It can be used to extract the lumps of a wad and save them as individual files. Conversely, it can also build a wad from separate files. When extracting a lump to a file, it does not just copy the raw data, it converts it to an appropriate format (such as PPM for graphics, .au for samples, etc.). When it reads files for inclusion in pwads, it does the necessary reciprocal conversions. In addition, DeuTex has functions such as merging wads, etc.

DooM Legacy is an enhanced port of Doom, the classic first-person shooter from iD Software. It features high screen resolutions, an OpenGL renderer, fullscreen modes under X, client-server architecture for up to 32 players on IP-networks, Quake-style keybindings, a console, and more. It is available for Linux, DOS, and Win32.

Dreams Eternal is an FPS game that focuses on a strong story line and puzzle solving. It is set in the dream world. The very short summary of the story is that a scientific experiment went wrong and everybody is stuck in the dream world. You have to end this experiment by hopping from dream to dream. In every dream you have to find clues to try to find out how the experiment can be aborted.

Half-Life Admin MOD is a plugin module to any Half-life mod that adds admin commands and user levels. You no longer have to risk giving out rcon access. It is very flexible to configure, supports reserving nicknames/playerslots on servers, and offers public kick and map voting.

HLmaps is a pair of Perl/CGI scripts for Half-Life game servers running on Linux, FreeBSD, and WinNT. It allows Web site visitors to view all your loaded maps, screen shots, download links, and some file statistics in a nice, sortable table. It optionally uses MySQL as the interim data store.